patch 8.0.1012: MS-Windows: problem with $HOME when is was set internally

Problem:    MS-Windows: Problem with $HOME when is was set internally.
Solution:   Only use the $HOME default internally. (Yasuhiro Matsumoto, closes
            #2013)
diff --git a/src/version.c b/src/version.c
index 0ef2084..3be91c2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1012,
+/**/
     1011,
 /**/
     1010,